Audi RS6 C5 - 2002 - 2004 4.2 Biturbo 450hp ECU Remapping
A professional ECU remap can optimise the way your Audi RS6 delivers power and torque, helping the vehicle feel stronger, smoother and more responsive in everyday driving.
The expected Stage 1 figures for this vehicle show an increase from 450 BHP to 520 BHP, with torque improving from 560 Nm to 725 Nm.